wind generator Articles
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Terminal characteristics of type 1 wind generating systems with magnetic saturation
This paper proposes a simple method of incorporating magnetic saturation in determining terminal characteristics of a type 1 wind generating system employing a squirrel–cage induction generator. In determining the terminal characteristics, the generator is represented by its traditional per–phase equivalent circuit as well as two–axis model. In both cases, the magnetic saturation is carefully ...
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Wind Generators as Role Models
Advanced speed control methods are available for the regulation of wind generators. Working together with SET Sustainable Energy Technologies GmbH, Sulzer made use of one of these new concepts on pumps for the first time and implemented it with great success on a feedwater pump in a refinery. Unregulated pumps consume unnecessary drive energy when demand fluctuates. By controlling the pump ...
By Sulzer Ltd.
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Research of modelling and nonlinear dynamic analysis for drive system of wind turbine generator
Using the Lagrange principle, the nonlinear dynamical equation of wind turbine generator drive system is presented, which considers nonlinear stiffness of the drive system. The stability of autonomous system is analysed by the Jacobian matrix. The stability of wind turbine generator drive system is analysed by using bifurcation and chaos theories. Finally, a numerical method is employed to ...
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Contemporary approach to determination of magnetic induction in wind generator air gap
Abstract The paper describes a system for measuring of magnetic induction on the wind generating unit. The manner of operation and the application of the Hall effect probe are detailed. Dynamic electromagnetic field computing results are shown through application of MKE on the synchronous generator model installed in a windmill unit and compared to the actual metering results. Two subsequent ...
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Antarctica: a southern hemisphere wind power station?
The International Polar Year commences in 2007. We offer a macro-project plan to generate a large amount of electricity on the continent of Antarctica by using sail-like wind dams incorporating air turbines. Electricity can be used to make exploration and exploitation efforts easier on Antarctica. We offer the technical specifications for the Fabric Aerial Dam and indicate some of the ...
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A novel dual stator-winding induction generator system applied in wind power generation
This paper presents a novel usage of 6/3-phase dual stator-winding induction generator (DWIG) with a static excitation power controller (SEC) as a wind power generator. This generator is composed of a standard squirrel-cage rotor and two sets of winding housed in the stator slots. One is referred to as the 6-phase power winding, and the other is defined as the 3-phase control winding. On the ...
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Dispachability improvement of wind generation by the Virtual Power Producers
Today, there is a growing environmental concern about where the energy that we use comes from, bringing the attention on renewable energies. However, the use and trade of the renewable energies in the market seem to be complicated because of the lack of guarantees of generation, mainly in the wind farms. The lack of guarantees is usually addressed by using a reserve generation. The aggregation of ...
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Optimal Power Flow under Variable Wind Generation
In this paper Optimal Power Flow (OPF) problem is solved for a power system, which includes wind power as an additional generation input under variable load conditions. The fixed-speed Wind Turbine Generator (WTG) option is considered in this study: simulations have been performed for various sizes of wind farm attached to the IEEE 30-bus systems using the DIgSILENT Power Factory simulation ...
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Wind energy generators sitting and sizing based on uncertain generation pricing
This paper proposes a methodology for sitting and sizing wind distributed generators (WDGs). These generators are characterised by an uncertain active power production due to the random behaviour of the wind speed. The uncertain generation directly impacts the network total generation cost and also the solution for the placement and sizing problem. So, this work takes into account this uncertain ...
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Wind Turbines and Shadow Flicker Impacts
According to the International Energy Agency (IEA) wind electricity generation increased by 17% in 2021, up by 55% from the growth in 2020, and experienced the highest growth when compared to other renewable energies. With the steady increase in wind power generation, the likelihood of environmental impacts, albeit much lower than fossil fuel power generation, are becoming more prominent ...
By WKC Group
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Prospects of wind energy in India
This paper is a modest attempt to study the growth and performance of wind farms in India. India occupies the 5th place in the world in wind energy generation after Germany, the USA, Denmark and Spain, and has an installed capacity of more than 2485 MW of wind energy, comprising both commercial projects (2418 MW) and demonstration projects (65.415 MW) as of 31 March 2004. This paper discusses the ...
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On limits for wind power generation
The amount of wind power in the world increases fast. The background for this development is improved technology, decreased costs for the units and an increased concern of the environmental problems of competing technologies such as fossil fuels. For the future, it is now interesting to evaluate where the limits are for wind power generation, and which points are crucial. Since there is no power ...
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Power losses from wind generated electricity in high voltage AC transmission: an analysis through simulation
In this paper, we have investigated different types of losses from wind generated electricity in high voltage AC (HVAC) transmission. Wind power generation is expensive in nature and it is thus necessary to know how much power is lost in the transmission. We have simulated an HVAC transmission system with a wind power generator in Simulink. We varied different components of the system namely wind ...
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Issues related to wind energy conversion systems
There is growing interest in the development of more sustainable electricity systems employing renewable, low-emission resources. In this context, the number of wind power generators installed in the world is increasing, and there are strong indicators that such growth should continue in the next decades. The intensity of wind power expansion depends on different factors related to technical, ...
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Reactive power compensation strategies for wind generation in distribution systems: a power quality approach
This paper studies the impact on the voltage profile of wind energy based generators connected to distribution power systems. Voltage fluctuations arise in distribution levels including noncontrollable primary energy sources because of their corresponding active power injection variations. A number of reactive power strategies have been analysed and compared focusing on the voltage fluctuation ...
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Suzlon, Vestas announce new turbine orders
Suzlon Energy (Pune, India) and Vestas Wind Systems A/S (Randers, Denmark) have announced new orders for wind turbines and associated equipment, in Vestas’ case the first European orders for its new V112 3-MW model. Vestas received an order from Germany’s Prokon to supply 17 of the V112 3-MW units for installation at the Krackow project in Germany’s Mecklenburg-Vorpommern state. ...
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Harmonic and interharmonic distortion analysis in the grid-connected wind electric generator
The operation of wind turbines has an impact on the power quality at the connected electric network. The integration of wind electric generators with the power grid becomes a headache for power engineers in several aspects. Harmonic distortion is one of the most important phenomena which affect the grid performance. This paper provides an in-depth discussion on harmonic and interharmonic ...
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The future of wind turbines could be bladeless
With their considerable height and large blades turning almost hypnotically, wind turbines have become an iconic symbol of the planet's shift to renewable sources of energy. In Spain, however, one business is looking to design wind generators that produce renewable energy without blades. "Our goal is to develop a new wind generator that minimize(s) the amount of mechanical elements to reduce ...
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System for detection of excitation winding shorted turns in hydro generators
Abstract This article describes a specific instrument for detection of excitation winding shorted turns in hydro generators, developed in Koncar - Electrical Engineering Institute Inc., called Hydro generator Winding Fault Detection (HO WFD). This instrument is a part of the Institute's product line used for monitoring and diagnosis of rotating electrical machines. A key issue in the operation ...
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Impacts of dynamic reactive power compensation devices on the performance of wind power generators
This paper investigates the main impacts of dynamic reactive power compensation devices on the performance of induction machine-based wind power generators. The dynamic reactive power compensation devices analysed are the SVC (Static Var Compensator) and the DSTATCOM (Distributed Static Synchronous Compensator). The usage of these devices as a power factor regulator or a voltage regulator is ...
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